the person who wrote the above comment is from new york. either that or someone wrote the question assuming another identity. trying to make a bad name for people.
Yes, those symptoms make me concerned about chlamydia, gonorrhea, or NGU; or possibly herpes. If your girlfriend also was a virgin before you had sex, that would of course make an STD unlikely--but otherwise you need to see a health care provider and get it checked out.
Good luck-- HHH, MD